diff options
Diffstat (limited to 'arch/powerpc/include/asm/nohash/64/pgtable-64k.h')
-rw-r--r-- | arch/powerpc/include/asm/nohash/64/pgtable-64k.h | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/arch/powerpc/include/asm/nohash/64/pgtable-64k.h b/arch/powerpc/include/asm/nohash/64/pgtable-64k.h deleted file mode 100644 index 7210c2818e41..000000000000 --- a/arch/powerpc/include/asm/nohash/64/pgtable-64k.h +++ /dev/null @@ -1,57 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_POWERPC_NOHASH_64_PGTABLE_64K_H -#define _ASM_POWERPC_NOHASH_64_PGTABLE_64K_H - -#define __ARCH_USE_5LEVEL_HACK -#include <asm-generic/pgtable-nopud.h> - - -#define PTE_INDEX_SIZE 8 -#define PMD_INDEX_SIZE 10 -#define PUD_INDEX_SIZE 0 -#define PGD_INDEX_SIZE 12 - -/* - * we support 32 fragments per PTE page of 64K size - */ -#define PTE_FRAG_NR 32 -/* - * We use a 2K PTE page fragment and another 2K for storing - * real_pte_t hash index - */ -#define PTE_FRAG_SIZE_SHIFT 11 -#define PTE_FRAG_SIZE (1UL << PTE_FRAG_SIZE_SHIFT) - -#ifndef __ASSEMBLY__ -#define PTE_TABLE_SIZE PTE_FRAG_SIZE -#define PMD_TABLE_SIZE (sizeof(pmd_t) << PMD_INDEX_SIZE) -#define PUD_TABLE_SIZE (0) -#define PGD_TABLE_SIZE (sizeof(pgd_t) << PGD_INDEX_SIZE) -#endif /* __ASSEMBLY__ */ - -#define PTRS_PER_PTE (1 << PTE_INDEX_SIZE) -#define PTRS_PER_PMD (1 << PMD_INDEX_SIZE) -#define PTRS_PER_PGD (1 << PGD_INDEX_SIZE) - -/* PMD_SHIFT determines what a second-level page table entry can map */ -#define PMD_SHIFT (PAGE_SHIFT + PTE_INDEX_SIZE) -#define PMD_SIZE (1UL << PMD_SHIFT) -#define PMD_MASK (~(PMD_SIZE-1)) - -/* PGDIR_SHIFT determines what a third-level page table entry can map */ -#define PGDIR_SHIFT (PMD_SHIFT + PMD_INDEX_SIZE) -#define PGDIR_SIZE (1UL << PGDIR_SHIFT) -#define PGDIR_MASK (~(PGDIR_SIZE-1)) - -/* - * Bits to mask out from a PMD to get to the PTE page - * PMDs point to PTE table fragments which are PTE_FRAG_SIZE aligned. - */ -#define PMD_MASKED_BITS (PTE_FRAG_SIZE - 1) -/* Bits to mask out from a PGD/PUD to get to the PMD page */ -#define PUD_MASKED_BITS 0x1ff - -#define pgd_pte(pgd) (pud_pte(((pud_t){ pgd }))) -#define pte_pgd(pte) ((pgd_t)pte_pud(pte)) - -#endif /* _ASM_POWERPC_NOHASH_64_PGTABLE_64K_H */ |